@Section
    @Title { Changing the appearance of rows }
    @Tag { tbl_rows }
@Begin
@PP
We've seen that the @Code aformat option of @Code "@Tbl" determines the
format of the rows introduced by the @Code "@Rowa" symbol.  There are
eight row format options: {@Code aformat},
tables. @RawIndex { tables }
tables.row.formats @SubIndex { row formats }
row.formats @Index { row formats in tables }
{@Code bformat}, and so on up to {@Code hformat}, and for each there
is a corresponding {@Code "@Row"} symbol:  {@Code "@Rowa"}, {@Code "@Rowb"},
and so on:
@ID @OneRow @Code @Verbatim {
@Tbl
    aformat { @Cell @I A  |  @Cell @I B }
    bformat { @Cell A  |  @Cell B }
{
@Rowa
    A { Name }
    B { Nationality }
@Rowb
    A { Austen }
    B { English }
@Rowb
    A { Balzac }
    B { French }
}
}
The result of this is
@CD @OneRow @Tbl
    aformat { @Cell @I A  |  @Cell @I B }
    bformat { @Cell A  |  @Cell B }
{
@Rowa
    A { Name }
    B { Nationality }
@Rowb
    A { Austen }
    B { English }
@Rowb
    A { Balzac }
    B { French }
}
The first row, being a {@Code "@Rowa"}, is formatted using
{@Code aformat}; the others, being {@Code "@Rowb"} symbols, are
formatted using {@Code bformat}.
@PP
In addition to the eight @Code format options of {@Code "@Tbl"}, it is
possible to specify the format of a row at the row itself, using the
tables. @RawIndex { tables }
tables.format.option @SubIndex { @Code "format" option }
format.tables @Index { @Code "format" option (tables) }
@Code "@Row" symbol like this:
@ID @OneRow @Code @Verbatim {
@Row
    format { @Cell @B A | @Cell paint { lightgrey } B }
    A { ... }
    B { ... }
}
All formats must contain the same number of cells, otherwise the table
will not be rectangular.
@End @Section